Finding the Fourth Proportional to 252.91, 379.36 and 106.62
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Solution
The fourth proportional to 252.91, 379.36 and 106.62 is: 159.93
Step by Step Solution
- Step 1: Write the proportion equation
252.91 : 379.36 = 106.62 : x - Step 2: Convert to fraction form
252.91/379.36 = 106.62/x - Step 3: Cross multiply
252.91x = 379.36 × 106.62 - Step 4: Simplify right side
252.91x = 40,447.36 - Step 5: Solve for x
x = 40,447.36/252.91 - Step 6: Final answer
x = 159.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.